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Storefront >> Engine Components >> AutoLite Copper Core Spark Plugs (3 heat ranges)


AutoLite Copper Core Spark Plugs (3 heat ranges) Price: $13.99
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APPLICATIONS:
- 1997-2003 Grand Prix GTP
- 2004-current Grand Prix GTP
- 2004-current Grand Prix GTP Comp G
- 1997-2004 Regal GS
- 1996-2003 Bonneville SSEi
- 2004-current Monte Carlo Supercharged SS
- 2004-current Impala SS

We now offer AutoLite Copper Core Spark Plugs in three different heat ranges for you to correctly match to the amount of modifications you have done to your supercharged 3800 vehicle.

AutoLite Copper Core Spark Plugs have the following features/attributes:
  • Copper-core center electrode sheathed in high chromium-nickel alloy for superior heat dissipation and durability
  • Longer insulator nose provides a longer path to control fouling deposits
  • Mixture of nickel and copper-glass seal that bonds the insulator, terminal post and center electrode together, assuring full voltage
  • Chromium-nickel alloy ground electrode resists gap erosion

A general guideline for which spark plug heat range is right for your modified supercharged vehicle, are as followed:

- Use AutoLite 605's (one heat range colder) if your car is similarily modded like this: has a 3.40” supercharger pulley, CAI (cold air induction) setup, and a lower-temp thermostat.

- Use AutoLite 104's (two heat ranges colder) if your car is similarily modded like this: has a 3.25” supercharger pulley, 1.80:1 or 1.90:1 rocker arms or very mild cam, CAI setup, lower-temp thermostat, exhaust headers, cat-back exhaust system, and reprogrammed PCM.

- Use AutoLite 103's (three heat ranges colder) if your car is similarily modded like this: has a 3.0” supercharger pulley, 1.90:1 rocker arms or aggressive cam, CAI setup, lower-temp thermostat, exhaust headers, cat-back exhaust system, port and polished supercharger housing and/or throttle body, and reprogrammed PCM.

It is recommended that you set the gap on these to .055”-.057”.

Spark Plugs are sold in a set of 6. Order a quantity of 1 to receive a full set.

Select Spark Plugs
605's (one heat range colder)
104's (two heat ranges colder)
103's (three heat ranges colder)


Quantity:


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